REACH Compliance for Tensioner Pulley Sourcing
REACH compliance for tensioner pulley sourcing is mainly a matter of substance control, traceability, and document discipline. Buyers need evidence that the pulley, bearing, grease, seals, coatings, and any polymer or stamped-metal parts do not introduce restricted substances above the limits set under REACH (EC) No 1907/2006. For EU and UK supply, the file set should match the exact part number, drawing revision, and production batch. Driventus is an independent aftermarket manufacturer; brand names are referenced for fitment only. We support procurement teams that need fitment data, controlled documentation, and repeatable supply without implying vehicle manufacturer approval. If your programme also requires IATF 16949:2016 or ISO 9001:2015 aligned controls, build those requirements into the RFQ and sample approval flow from the start. A clean compliance pack is usually small, but it must be specific and current.
What REACH Means For This Part
For a tensioner pulley, REACH is not a label on the carton. It is a substance-based compliance obligation that applies to the finished assembly and its constituent materials. Buyers should expect the supplier to identify any SVHC exposure, restricted coatings, and material changes that could affect the declaration.
At minimum, the compliance statement should cover:
- The pulley wheel material and any inserts
- Bearing grease, seal elastomers, and dust caps
- Surface treatment such as zinc plating, phosphate, or black oxide
- Adhesives, thread-locking compounds, and packaging materials where customer rules require them
A declaration that only names the finished part is not enough if the bearing or coating formulation changes. For procurement teams, the practical question is simple: can the supplier prove the build stayed within the declared material set for the exact revision being bought?
Map The Bill Of Materials
The fastest way to avoid a compliance gap is to break the pulley into source-controlled elements and ask for evidence on each one. This is especially important when the assembly includes a pressed bearing, a coated steel wheel, or a spring-loaded arm where several vendors may sit behind one finished SKU.
Check the BOM at component level:
- Steel, aluminium, or polymer for the pulley body
- Bearing ring material, cage, balls, grease, and seal
- Washers, spacers, rivets, and fasteners
- Coatings, passivation, and corrosion inhibitors
- Any overmoulded or bonded parts
If the part is sold against OE fitment references, lock the drawing revision and the application list before approval. That prevents a compliant sample from being replaced later by a cheaper but different build. For adjacent engine-drive items, you can also review our catalog and, where needed, discuss custom manufacturing.
Documents Buyers Should Request
A supplier does not need a large dossier, but it does need the right documents tied to the correct part number. The best practice is to request the file pack before first article approval, not after shipment.
| Document | Why it matters | What to check |
|---|---|---|
| Material declaration | Shows restricted-substance screening | Exact part number, revision, and material scope |
| Declaration of conformity | Confirms the current build status | Date, signer, and reference to REACH (EC) No 1907/2006 |
| Batch traceability record | Links finished goods to inputs | Lot code, production date, and raw material source |
| Test report or inspection record | Supports dimensional and functional release | Measured results, method, and sample size |
| Quality certificate | Confirms control system maturity | Quality system aligned to IATF 16949:2016 or ISO 9001:2015 |
